//反例{ "before": true, "after": true }]*/
a(b,c)
new A(b,c)
const arr = [1 ,2];

const arr = [1,2];
const obj = {'foo':'bar','baz':'qur'};
function foo(a,b){}
const foo = (a,b) => {}
const foo = (a = 1,b) => {}

